You might be dealing with a throat and gum infection, especially considering the symptoms. The black patches on your gums could indeed indicate gum disease, which often stems from bacterial or viral infections. To alleviate your discomfort, you can try gargling with warm saline water, staying hydrated, and consulting a dentist for their assessment of the black patches on your gums.

We get to notice white bumps on the tongue by the name of "lie bumps" or TLP (Transient Lingual Papillitis) very often. They are usually benign and caused by either skin irritation or minor injections it. The subject should always be examined and discussed by a dentist or an oral specialist before the actual treatment is applied

Your tongue has developed issues such as being yellowish and sore with a lesion on one side. These signs may result from failure to clean your mouth regularly or alterations in your sense of taste. To ease its discomfort, you can try softly brushing it and taking water. However, should this condition persist, seek further assistance from a dentist.

The cost of a root canal treatment varies depending on the tooth and the severity of the condition. It can range from Rs. 3000 to Rs. 12000. However, it is recommended to visit your dentist for such a procedure 

Address the broken tooth with a dentist nearby you. If the lymph node swelling persists or worsens, consult a dental expert for evaluation and appropriate treatment. Don't ignore these symptoms

If you have issues like pain or other uncommon symptoms, you should consult your dentist. The dentist endeavours to solve whatever oral health problems you may have encountered.

Depends on whether your Root Canal Treatment is properly done or not first; is there any secondary infection? You have got crown fitted or not after RCT? if not then it should be done because the load will increase and will cause a pain if no crown.so lots of reasons might be the reason for the pain .Consult a dentist n get a x ray done